名词
中文翻译：空中运输
同义词：
['aviation', 'air travel', 'aerotransportation']
例句：
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1. The airlineis offering discounted tickets for the upcoming flight.
航空公司正在提供即将到来航班的折扣票。
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2.The plane took off from the airport and flew to the destination city.
飞机从机场起飞，飞往目的地城市。
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3.Air transportation has greatly improved people's lives.
航空运输极大地改善了人们的生活。